Robuta

The Gregorian calendar is the internationally accepted civil calendar. It was first adopted in 1582.

Because the Julian year, averaging 365.25 days, was somewhat longer than the actual length of a solar year, which is known to be 365.242199 days, the

Today's Hijri and Gregorian calendar with date conversion, age calculator, and accurate prayer times for all Saudi Arabian cities using Umm al-Qura calendar....

Gregorian Date and calendar , Time by location , and you can find full year calendar or monthly calendar

Let's take a look at how we ended up with the calendar we currently use.